CVE-2026-33825 HIGH

CVE-2026-33825: Microsoft Defender Elevation of Privilege Vulnerability

Vendor Microsoft
Product Microsoft Defender Antimalware Platform
Weakness CWE-1220
KEV Status Known Exploited
Ransomware Used in campaigns
Published April 14, 2026
Last update June 1, 2026
View on NVD All CVEs

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

What the vulnerability does

01Description

Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.

CISA mandated remediation

02CISA Required Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Key dates

03Disclosure timeline

April 14, 2026 CVE published
June 1, 2026 Record updated